Added 431A - Black Square.cpp

Author: vikashpatel24

431A - Black Square.cpp

@@ -0,0 +1,27 @@
+#include<bits/stdc++.h>
+using namespace std;
+
+// Code Written By: Vikash Patel
+
+// Codeforces Profile: https://codeforces.com/profile/vikashpatel
+
+int main()
+{
+    int a1,a2,a3,a4;
+    cin>>a1>>a2>>a3>>a4;
+    string s;
+    cin>>s;
+    int calories=0;
+    for(auto i : s)
+    {
+        if(i=='1')
+        calories+=a1;
+        else if(i=='2')
+        calories+=a2;
+        else if(i=='3')
+        calories+=a3;
+        else
+        calories+=a4;
+    }
+    cout<<calories<<endl;
+}